Central America: Severe deficits in 2nd half of 2015

WSIM Composite Water Anomaly Index Map for Mexico (July -December 2015).

WSIM Composite Water Anomaly Index Map for Mexico (July -December 2015).

WSIM forecasts a strong deficits in southern Mexico and Central America peaking in intensity over the six month period from July through December 2015 as shown in the map depicting the composite water anomaly index. Exceptionally dry conditions are expected across the southern half of Mexico and Central America, especially in Costa Rica and the western parts of Panama and Nicaragua, and follow significant droughts in the region last summer.  Surpluses are forecast in northwest Mexico.

This blog post presents results from our April “WSIM Global Water Monitor and Forecast” report. This report is based on observed temperature and precipitation through March 2015 and an ensemble of 28 temperature and precipitation forecasts issued by NOAA's CFSv2 the last week of March 2015.